Hinduism is India's major religion so pretty much this whole page will be on Hinduism.
Celebrations
Maha Shivarathri is a festival dedicatedto Shiva. It is held in mid-February
Holi a spring festival, is held in early March. It is a carnival-like celebration featuring bright colors, bonfires, and pilgrimages. It is held to dedicated Krishna or Kama, the god of pleasure.
Ramnavami, the anniversary of the birth of rama. It is held in late March. Rama was an incarnationof Vishnu
Wesak, the birthday of the Buddha is celebratedin early Aprilby Buddhists as a Mahayana tradition
Dusserah, a festival celebrating the win of good over evilis in early November. It is derived from early Hindu stories of fights between a geddes and a demon.
Diwali, A festival of lights. it is held in mid November, It is mainly dedicated to Lakshmi, the Goddess of Wealth. It is the Hinduism new year.


Places to Worship
Hinduism people don't have places to worship their god, they can just worship. They don't go to special places or temples, they just have to sit down and worship their god. The Temples are just for special occasions and festivals. Many Temples hold classes th teach young followers prayers and hymns called bhajans.

Facts
There are about 930 million followers of Hinduism in India!
Hinduism is the worlds oldest religion.
Hinduism is the third largest religion in the world.
Hinduism is referred to sanatana Dharma